DS918+ vs DS1019+ vs DS920+

What is different?

Model	DS918+ check price UK USA	DS1019+ check price UK USA	DS920+ check price UK USA
CPU	Intel Celeron J3455 Quad Core 1.5 GHz (up to 2.3 GHz) 2 MB Cache		Intel Celeron J4125 4-core 2.0 GHz, burst up to 2.7 GHz 4 MB Cache
Benchmark	2153	2153	3035
Socket	FCBGA1296		FCBGA1090
GPU	Intel® HD Graphics 500 250 – 750 MHz (8GB)		Intel® UHD Graphics 600 250 – 750 MHz (8GB)
RAM	DDR3L 4GB Non-ECC SO-DIMM (1 slot free) 1866 MT/s (Upgrade up to 8GB)	DDR3L 8GB (2X4GB) Non-ECC SO-DIMM 1866 MT/s	1X 4 GB DDR4 (expandable up to 8 GB) 2400 MT/s
RAM slots	2X		2X
Cache	2 x M.2 2280 NVMe SSD (drives not included)		2 x M.2 2280 NVMe SSD (drives not included)
External port	• 2 x USB 3.0 port • 1 x eSATA port		• 2 x USB 3.0 port • 1 x eSATA port
LAN	2 x Gigabit (RJ-45)		2 x Gigabit (RJ-45)
Hardware encryption engine	Yes (AES-NI)		Yes (AES-NI)
Power	28.8W/ 4.25W	38.59W	?

Codec h264	Decode / Encode	Decode / Encode	Decode / Encode
Codec h265 8bit	Decode / Encode	Decode / Encode	Decode
Codec h265 10bit	Decode	Decode	NO
Codec VP8	Decode / Encode	Decode / Encode	Decode / Encode
Codec VP9	Decode	Decode	Decode / Encode
Codec VC-1	Decode	Decode	Decode
Codec AVC	Decode / Encode	Decode / Encode	Decode / Encode